Filter rod for filtering the smoke of a cigarette

Details Filter rod for filtering the smoke of a cigarette Filter rod for filtering the smoke of a cigarette

1995-05-18

1997-04-08

Page, Thurman K.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428362, 428369, 131342, 131345, D02G 300, A24D 306

Patent

active

056186207

ABSTRACT:
A filter rod for filtering the smoke of a cigarette including an acetate tow having a high crimp modulus and the acetate tow is bloomed and wrapped by a paper to form the filter rod, wherein a degree of crimping of the acetate tow at a position just downstream of a delivery roller of a filter rod making machine used to form a filter rod is 1.4 or more, and is obtained by conditions satisfying the following equations by having the crimping operation performed under the conditions satisfying the following equations (1) and (2): ##EQU1## wherein: A stands for the weight percent of acetone of the acetate tow just after the tow is fed from a stuffing box type crimping apparatus; and

REFERENCES:
patent: 2794239 (1957-06-01), Crawford et al.
patent: 2953838 (1960-09-01), Crawford et al.
patent: 3078542 (1963-02-01), McFarren et al.
patent: 3079663 (1963-03-01), Dyer et al.
patent: 4180536 (1979-12-01), Howell et al.
patent: 4283186 (1981-08-01), Keith et al.

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